/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package com.unice.miage.oobdoo.servlet;

import com.unice.miage.oobdoo.entity.Partage;
import com.unice.miage.oobdoo.entity.Utilisateur;
import com.unice.miage.oobdoo.manager.PartageManager;
import com.unice.miage.oobdoo.manager.UtilisateurManager;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Collection;
import javax.ejb.EJB;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author Remi
 */
@WebServlet(name = "PartageServlet", urlPatterns = {"/PartageServlet"})
public class PartageServlet extends HttpServlet {
    @EJB
    UtilisateurManager utilisateurManager;
    @EJB
    PartageManager partageManager;
    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        String action = request.getParameter("action");

        if (action != null) {
            if (action.equals("notifications")) {
                HttpSession session = request.getSession(true);
                String id = session.getAttribute("id").toString();

                Utilisateur auteur = utilisateurManager.getUtilisateurById(Integer.valueOf(id));
                Collection<Partage> ps = partageManager.getPartagesNotView(auteur);

                response.setContentType("text/html;charset=UTF-8");
                PrintWriter out = response.getWriter();
                
                String json = "{\"ret\":\"1\""
                        + ",\"nb\":\"" + ps.size() + "\""
                        + ",\"partages\":[";
                
                int i = 0;
                
                for (Partage p : ps) {
                    json += "{";
                    json += "\"album\":";
                    json += "\"" + p.getAlbum().getNom() + "\",";
                    json += "\"vue\":";
                    json += "\"" + p.isVue() + "\",";
                    json += "\"owner\":";
                    json += "\"" + p.getAlbum().getAuteur().getLogin() + "\",";
                    json += "\"idAlbum\":";
                    json += "\"" + p.getAlbum().getId() + "\",";
                    json += "\"thumb\":";
                    json += "\"upload/" + p.getAlbum().getAuteur().getId() + "/" + p.getAlbum().getId() + "/" + p.getAlbum().getPhotos().iterator().next().getPathThumbHome() + "\"";
                    if( i >= ps.size()-1)
                    {
                        json += "}";
                    }
                    else
                    {
                        json += "},";
                    }
                    i++;
                }
                json += "]}";
                out.println(json);
            }else if (action.equals("nbNotifications")) {
                HttpSession session = request.getSession(true);
                String id = session.getAttribute("id").toString();

                Utilisateur auteur = utilisateurManager.getUtilisateurById(Integer.valueOf(id));
                Collection<Partage> com = partageManager.getPartagesNotView(auteur);

                response.setContentType("text/html;charset=UTF-8");
                PrintWriter out = response.getWriter();

                int nbPartages = 0;

                if (com != null) {
                    nbPartages = com.size();
                }

                /*
                 * {"ret":"1","partages":""}
                 */
                String json = "{\"ret\":\"1\",\"partages\":\"" + nbPartages + "\"}";
                out.println(json);
            }
        }
    }
    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">

    /**
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
